SCIENCE PROGRESS 



A QUARTERLY REVIEW OF 

 SCIENTIFIC THOUGHT, WORK & AFFAIRS 



No. 41. JULY 1916 

 CONTENTS 



' ARTICLES : Historical Sketch of the Chemistry of Rubber. S. C. 

 Bradford, B.Sc, The Science Museum 

 A Contribution to the Bionomics of English Oligochseta. Part II. 



Rev. Hilderic Friend 

 The Pollution of the Sea. A Biologist 

 Flint Fracture and Flint Implements. J. Reid Moir 

 Legitimate Press Criticism or Treasonable Publication : "Which? 



POPULAR SCIENCE: The Romance of -Radium. Will England 

 or Germany Control this Commodity after the War ? G. W. C. 

 Kaye, National Physical Laboratory 



ESSAY-REVIEWS : A Great Cosmogonist (H. Spencer Jones). 

 The Origin of Igneous Rocks (Arthur Holmes). The Structure 

 of Coal (Marie C. Stopes). A Great Medical Reformer. The 

 History of the Fight Against Venereal Disease (E. B. Turner) 



RECENT ADVANCES IN SCIENCE: Mathematics (P. E. B. Jour- 

 dain)— Astronomy (H. S. Jones)— Physics (J. Rice)— Physical 

 Chemistry (Prof. W. C. McC. Lewis)— Inorganic Chemistry (C. S. 

 Garrett)- Organic Chemistry (P. Haas)- Geology (G. W. Tyrrell) 

 —Zoology (C. H. O'Donoghue)— Botany (F. Cavers)— Physiology 

 (W. L. Symes)— Anthropology (A. G. Thacker) 



CORRESPONDENCE: Mach's Mechanics (P. E. B. Jourdain) 



NOTES: Petition— Our Duty— Homer, Dante, Shakespeare, and 

 Cervantes— The Anti-Science Manifesto (Dr. Mercier)— "Science 

 Progress" (Mr. Murray)— The Neglect -of-Seienee Meeting- 

 Experts and the Colonial Office— Maleducation and Malpro- 

 nunciation— and other Notes 



ESSAYS: Examination by the Civil Service Commissioners (Dr. 

 Mercier) -Chalk Flints and the Age of the Earth (G. W. Bulman) 

 —The Ego-Cell, a Speculation (Editor) 



REVIEWS: Napier Memorial Volume -Electricity, Light, Rela- 

 tivity, and Electrons— Physical Chemistry— Mesozoic Plants— 

 Metamorphic Geology— Mendelian Heredity— The Alligator- 

 Bees— Mosquitoes— Apples— Rural Sanitation in the Tropics- 

 Sleeping Sickness— Radium and the Cell— Aircraft— and other 

 Reviews 



EDITOR 



SIR RONALD ROSS, K.C.B., F.R.S., N.L., 

 D.Sc, LL.D., M.D., F.R.C.S. 



LONDON : JOHN MURRAY, ALBEMARLE STREET, W. 



Price 51- net 



VOL. XI 



